bitburner-src/css/dev-menu.css

.add-exp-button {
    margin-right: 0;
}

.remove-exp-button {
    margin-left: 0;
}

.exp-input {
    margin: 5px 0 5px 0;

    padding: 2px 5px;
}

.text-center {
    margin: auto;
    text-align: center;
    vertical-align: middle;
}

.touch-right {
    margin-right: 0;
}

.touch-left {
    margin-left: 0;
}

.touch-sides {
    margin-left: 0;
    margin-right: 0;
}